Trail Running calendar near Builth Wells 2026-2027

A Halloween series event at Pengethley Manor offering 5k, 10k, half, marathon and ultra distances on a tough offroad course with vineyard laps. Entrants have seven hours to finish and virtual participation is available.

Day one of a two day mountain marathon at Westermill Farm, Exford, featuring a 40 km course with 1800 m of climb. Teams of two must pre-enter and the entry fee covers both race days and campsite.

The Zombie Shuffle at Pengethley Manor offers 5k, 10k, half marathon, marathon and ultra options on a tough offroad course with a seven hour time limit. Virtual entries are available worldwide with medal options for paid entrants.

A guided 13 km loop around Llyn Trawsfynydd in Southern Snowdonia on runnable trails with limited ascent and regular regrouping stops.

Mendip Muddle is a 20 km multi terrain fell race in Somerset with about 420 m of climbing. Headquarters are at Charter House Outdoor Activity Centre; on course water and first aid are provided and prizes are awarded by category.

A series of mountain trail races across the Black Mountains and Brecon Beacons offering four distances from 21 miles to 100 miles. Routes combine marked sections, GPS navigation and staffed checkpoints with mountain safety cover.

A 32 km fell event on Pen y Fan with three ascents via six different routes and an optional 16 kg weighted category; navigation and GPX use are required.

Winter fell race up Sugar Loaf covering 9.6 km with 485 m ascent from The Crown, Pantygelli; full WFRA kit required and entry via Fabian4 with limited parking.

Timed lap event at Barry Sidings Country Park with flexible start times, distances from 5 km to ultra on a tarmac out and back course and a medal or no medal option.

A 10 mile off road trail in Stonehouse near Stroud on 1 November 2026, starting with about one mile uphill followed by nine miles of undulating muddy trails. Canicross runners are welcome and there is a 2 hour 30 minute cutoff.

Eight-day race series in Telford offering 8 miles, 16 miles or a 26.2 mile marathon each day. Each day is a separate race with its own medal and Race HQ at The Unicorn Inn in Little Dawley.

A hilly trail event near Moel Famau offering 17 km and 10 km waymarked routes with checkpoints, mandatory kit requirements and reduced single use plastic measures. Support and recce days are provided by Run True.

A forest run at Llandegla Forest Visitor Centre covering 6.4 km with 229 m of ascent. The event includes a safety briefing and requires a whistle, waterproof top, hat, gloves and a headtorch with at least two hours of good lighting; entry £..

Coastal ultra events across North Devon and Exmoor with multiple distances, self navigation on the South West Coast Path, GPS tracking and GPX route files.

Trail races at Oxwich Bay feature 10K, half, marathon and ultra courses across cliffs, dunes, woodland and beaches as part of the Endurancelife season.

Three trail races around Talybont On Usk on 7 November 2026, from a 13 mile half to an approximately 49 mile ultra that includes an out and back to Pen y Fan.

Out-and-back 10.3 km fell race from Llanfachreth with 562 m ascent, unmarked upper section and mandatory kit; includes a 3 km junior race and team entries.

30 mile ultra through the Brecon Beacons, climbing to Pen y Fan with 3750 ft gain, five checkpoints and a six hour mid race cut off; limited to 200 entries on 7 Nov 2026.

A winter coast to coast ultra on the Llŷn Peninsula on 7 November 2026, with solo 37.5 mile and team of four entry options, organised by Pen Llŷn Ultras and offering age 16 plus eligibility and several entry extras.

A 15.7 km fell race around the Clwydian Hills with 950 m of ascent. The route requires navigation and prior fell-running experience; toilets and refreshments are provided and team entry has no limit on runners.